Stack #2609996

Stack #2609996

Question Answer
acceleration equals the change velocity divided by the time for the change to take place; occurs when an object speeds up, slows or turns
momentum a measure of how difficult is to stop a moving object
speed equal the distance traveled divided by the time it takes to travel that distance
velocity speed and direction of a moving object
newtons first law of motion states that an object acted upon by a net force acting on an object will remain at rest or move in a straight line with a constant speed
newtons second law of motion states that an object acted is upon by a net force will accelerate in the direction of the force, and that the acceleration equals the net force divided by the objects mass.
newtons third law of motion states that forces always act in equal but opposite pairs.
balenced forces two or more forces whose effects cancel each other out and do not change the motion of an object
friction force that acts to oppose sliding between two surfaces that are touching
unbalanced forced two or more forces acting on an object that do not cancel and cause the object to accelerate

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